Here Plus RTK GPS not bieng detected in QGC

When using px4 firmware and the Rover of RTK is not detected in QGC while it is visible if I change the firmware to Ardupilot. Base station is instantly detected and starts the survey in process. How to debug it?

Hardware:
Pixhawk 2 cube with Here+ Rtk GPS Base and Rover
Telemetry MRO radio